/*
 *    Copyright 2006 Intel Corporation
 * 
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 * 
 *        http://www.apache.org/licenses/LICENSE-2.0
 * 
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */

#ifndef _NULLCONVERGENCELAYER_H_
#define _NULLCONVERGENCELAYER_H_

#include "ConvergenceLayer.h"

namespace dtn {

/**
 * The null convergence layer consumes all bundles immediately and
 * does no actual transmission, roughly similar to /dev/null.
 */
class NullConvergenceLayer : public ConvergenceLayer {
public:
    NullConvergenceLayer()
        : ConvergenceLayer("NullConvergenceLayer", "null") {}

    bool open_contact(const ContactRef& contact);
    void send_bundle(const ContactRef& contact, Bundle* bundle);
};

} // namespace dtn

#endif /* _NULLCONVERGENCELAYER_H_ */